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System for vehicle body roll control utilizing steering angle detection

  • US 4,693,493 A
  • Filed: 10/21/1986
  • Issued: 09/15/1987
  • Est. Priority Date: 10/22/1985
  • Status: Expired due to Fees
First Claim
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1. For a vehicle comprising a body and a plurality of wheels upon which it runs, a vehicle roll control system of vehicle height adjustment type, comprising:

  • a plurality of actuator assemblies, one provided corresponding to each one of said vehicle wheels and resiliently suspending said one of said vehicle wheels from the vehicle body, said actuator assemblies comprising pressure chambers and each being adapted to increase or decrease vehicle height at a location corresponding to its corresponding vehicle wheel as respective results of supplying or discharging of working fluid to or from its said pressure chamber;

    a plurality of working fluid supplying and discharing means which are provided corresponding to said actuator assemblies and which serve to supply working fluid to said working fluid chambers and to discharge working fluid from said working fluid chambers;

    a vehicle speed detecting means for sensing the road speed of the vehicle;

    a steering angle detecting means for sensing the steering angle of the vehicle; and

    ;

    a means for computing and control, which computes a steady state roll angle φ

    .sub.∞

    of the vehicle body from the vehicle speed sensed by said vehicle speed detecting means and the steering angle sensed by said steering angle detecting means, and computes a difference value φ

    based thereon, said computing control means being adapted to control said working fluid supplying and discharging means according to said difference value φ

    when the absolute value of said difference value φ

    is larger than a determined value.

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